Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property Plant And Equipment Details [Abstract]
Land	$ 31.4	$ 31.0
Buildings	829.6	1,026.6
Equipment and leasehold improvements	3,497.2	3,701.5
Property plant and equipment, gross	4,358.2	4,759.1
Accumulated depreciation and amortization	(1,859.3)	(1,830.9)
Property, plant and equipment, net	2,498.9	2,928.2
Construction in progress	87.4	119.6
Property, Plant and Equipment [Line Items]
Capital Expenditures Incurred but Not yet Paid		35.4
Depreciation, Depletion and Amortization [Abstract]
Software and other amortization	10.0	10.0	$ 10.0
Total depreciation and amortization	170.3	189.9	176.8
Operating Segments [Member]
Depreciation, Depletion and Amortization [Abstract]
Depreciation of property, plant and equipment	141.9	159.6	146.7
Software and other amortization	28.4	30.3	29.9
Total depreciation and amortization	$ 170.3	$ 189.9	$ 176.6